what can link.exe do that cygwin32-ld can't ?
Mikey
*jeffdb@netzone.nospam.com
Thu Jul 17 20:04:00 GMT 1997
Not that I can tell no, the only relocatable .dll that I have been
able to make since I switched to B18 is cygwin.dll.
Every other .dll that I have tried to link with cygwin.dll and with a .reloc section gives
unable to run XXX.exe
attached are GNUmakefiles for a project with a dll,
when linked using mingw32 and either 2pass or 3pass the .dll and .exe both work
correctly, when linked with -lcygwin the .exe always gives
an unable to run m:\path\demo.exe dialog box, the only difference
obviously is in the startup files, and the libc services provider.
The same project linked with a nonrelocateble dll will link/run
using either mingw32 or B18.
Also when linked with B17.1 using the 2pass method the dll and exe
both worked.
If anyone can tell me what I'm doing wrong I would appreciate
the comments, otherwise I would speculate that moving _reent_data
into cygwin.dll wasn't as good of an idea as was originally thought.
On Sun, 13 Jul 1997 20:26:49 -0700, you wrote:
>
> and if so, does this fix makeing .reloc dll's & exe's
> with B18?
>
>Doesn't that have more to do with running ld and dlltool multiple
>times?
>
>Ian
(*jeffdb@netzone.nospam.com)
Remove *&.nospam from the above to reply
Mikey
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# =========================================================================
# CYGWIN32.MAK - Win32 application master MAKE definitions file for the
# Microsoft Win32 SDK for Windows programming samples
# and cygwin32/mingw32 gcc
# mingw32 headers/startupfiles are in /usr/local/include etc.
# cygwin32 headers etc. are in /usr/H-i386-cygwin32
# -------------------------------------------------------------------------
# This files should be included at the top of all MAKEFILEs as follows:
# replace !include <win32.mak> with include /usr/local/include/cygwin32.mak
# and change the include and lib paths on line 113 to fit your system
# -------------------------------------------------------------------------
#
# Define APPVER = [ 3.51 | 4.0 ] prior to including win32.mak to get
# build time checking for version dependencies
#
# Define TARGETOS = [ WIN95 | WINNT | BOTH ] prior to including cygwin32.mak
# to get some build time checking for platform dependencies.
#
# Define TARGETLANG = [ LANG_JAPANESE ] prior to including cygwin32.mak to get
# compile & link flags for building applications to run on Japanese Windows.
# (This is an optional parameter. The system locale is the default.)
# TARGETLANG NOT CURRENTLY IMPLIMENTED
#
# -------------------------------------------------------------------------
# MAKE Options
#
# Use the table below to determine the additional options for MAKE to
# generate various application debugging, profiling and performance tuning
# information.
#
# Application Information Type Invoke MAKE
# ---------------------------- ------------
# For a debug version make
# For No Debugging Info make NODEBUG=1 mingw32
# For Working Set Tuner Info make TUNE=1 mingw32 + -O3 (production)
# For Call Attributed Profiling Info make PROFILE=1 #currently not imp
#
# Note: The three options above are mutually exclusive (you may use only
# one to compile/link the application).
#
# Note: creating the environment variables NODEBUG, TUNE, and PROFILE is an
# alternate method to setting these options via the make command line.
#
# Additional MAKE Options Invoke MAKE
# ---------------------------- ------------
# For No ANSI NULL Compliance make NO_ANSI=1
# (ANSI NULL is defined as PVOID 0)
# For Extra CFLAGS make CFLAGS="-m386 -O1" for example
#
# =========================================================================
ifneq ($(_WIN32_MAK_),1)
_WIN32_MAK_ = 1
# -------------------------------------------------------------------------
# Get CPU Type - default to i386 if not set
# -------------------------------------------------------------------------
ifeq ($(CPU),)
CPU = i386
endif
ifneq ($(CPU),i386)
ifneq ($(CPU),MIPS)
ifneq ($(CPU),ALPHA)
ifneq ($(CPU),PPC)
ifneq ($(CPU),RANDOM)
echo Error Nust specify CPU env var ( i386 MIPS ALPHA PPC )
ERROR
endif
endif
endif
endif
endif
# -------------------------------------------------------------------------
# Get Target Operating System - Default to BOTH
# -------------------------------------------------------------------------
ifeq ($(TARGETOS),)
TARGETOS = BOTH
endif
ifneq ($(TARGETOS),BOTH)
ifneq ($(TARGETOS),WINNT)
ifneq ($(TARGETOS),WIN95)
ifneq ($(TARGETOS),RANDOM)
echo Must specify TARGETOS environment variable (BOTH, WIN95, WINNT)
ERROR
endif
endif
endif
endif
ifeq ($(APPVER),)
APPVER = 4.0
endif
ifneq ($(APPVER),4.0)
ifneq ($(APPVER),3.51)
echo Must specify APPVER environment variable (3.51, 4.0)
ERROR
endif
endif
############ Change These to fit Your Setup #########################
#for rc.exe use with rsrc.exe
CYGVER=`gcc -v 2>&1|grep -v Reading|sed s/gcc\\ version\\ //`
COMPINCRCPATH = `gcc -print-file-name=crt0.o|sed -e s/\\\\\\\\/\\\\//g -e s/lib\\\\/crt0.o//`include
MINGW32RCPATH = $(COMPINCRCPATH)/ming
WIN32RCPATH = $(COMPINCRCPATH)/win32
SYSINCRCPATH = $(COMPINCRCPATH)/../../lib/gcc-lib/i386-cygwin32/$(CYGVER)/include
# binary declarations common to all platforms
ifneq ($(NODEBUG),) #for production use mingw32
cc = gcc -wm
rc = rc /i$(WIN32RCPATH) /i$(MINGW32RCPATH)
else #to debug use cygwin32
cc = gcc
rc = rc /i$(WIN32RCPATH) /i$(COMPINCRCPATH) /i$(SYSINCRCPATH)
endif # NODEBUG
link = $(cc)
implib = dlltool
hc = hcrtf -xn
# for compatibility with older-style makefiles
cvtobj = REM !!! CVTOBJ is no longer necessary - please remove !!!
cvtres = REM !!! CVTRES is no longer necessary - please remove !!!
# -------------------------------------------------------------------------
# Platform Dependent Compile Flags - must be specified after $(cc)
#
# Note: Debug switches are on by default for current release
#
# These switches allow for source level debugging with WinDebug for local
# and global variables.
#
# Both compilers now use the same front end - you must still define either
# _X86_, _MIPS_, _PPC_ or _ALPHA_. These have replaced the i386, MIPS, and ALPHA
# definitions which are not ANSI compliant.
#
# Common compiler flags:
# gcc cl
# -c -c - compile without linking
# -Wall -W3 - Set warning level to level 3
# -g -Zi - generate debugging information
# -O0 -Od - disable all optimizations
# -O3 -Ox - use maximum optimizations
# N/A -Zd - generate only public symbols and line numbers for debugging
#
# i386 specific compiler flags:
# N/A -Gz - stdcall
#
# -------------------------------------------------------------------------
# declarations common to all compiler options
ccommon = -c -windows -Wall -DCRTAPI1=_cdecl -DCRTAPI2=_cdecl
ifeq ($(TARGETLANG),LANG_JAPANESE)
ccommon += -DJAPAN -DDBCS -DFE_IME
endif
ifeq ($(TARGETLANG),LANG_CHINESE)
ccommon += -DDBCS -DFE_IME
endif
ifeq ($(TARGETLANG),LANG_KOREAN)
ccommon += -DDBCS -DFE_IME
endif
ifeq ($(CPU),i386)
cflags = $(ccommon)
scall =
else
ifeq ($(CPU),MIPS)
cflags = $(ccommon) -D_MIPS_=1 -D_M_MRX000
else
ifeq ($(CPU),PPC)
cflags = $(ccommon) -D_PPC_=1 -D_M_MPPC
else
ifeq ($(CPU),ALPHA)
cflags = $(ccommon) -D_ALPHA_=1 -D_M_ALPHA
endif
endif
endif
scall =
endif
ifeq ($(TARGETOS),WINNT)
cflags += -D_WINNT -D_WIN32_WINNT=0x0400
else
ifeq ($(TARGETOS),WIN95)
cflags += -D_WIN95 -D_WIN32_WINDOWS=0x0400
endif
endif
ifneq ($(NODEBUG),)
cdebug = -O
else
ifneq ($(PROFILE),) #NOT Imp
cdebug = -p
else
ifneq ($(TUNE),)
cdebug = -O3
else
cdebug = -g -O
endif
endif
endif
# -------------------------------------------------------------------------
# Target Module & Subsystem Dependent Compile Defined Variables - must be
# specified after $(cc)
#
# The following table indicates the various acceptable combinations of
# the C Run-Time libraries LIBCYGWIN, and CRTDLL with respect to the creation
# of a EXE and/or DLL target object. The appropriate compiler flag macros
# that should be used for each combination are also listed.
#
# Link EXE Create Exe Link DLL Create DLL
# with Using with Using
# ----------------------------------------------------
# LIBCYGWIN CVARS None None *
# LIBCYGWIN CVARS LIBCYGWIN CVARS
# CRTDLL CVARSDLL None None *
# CRTDLL CVARSDLL LIBC CVARS
# CRTDLL CVARSDLL CRTDLL CVARSDLL *
#
# * - Denotes the Recommended Configuration
#
# When building single-threaded applications you can link your executable
# with either LIBCYGWIN, or CRTDLL, although CRTDLL will provide the best
# performance.
#
# When building multi-threaded applications, CRTDLL can
# be used as the C-Runtime library, multi-thread safe.
#
# Note: Any executable which accesses a DLL linked with libcrtdll.a must
# also link with libcrtdll.a instead of libcygwin.a
# When using DLLs, it is recommended that all of the modules be
# linked with libcrtdll.a.
#
# Note: The macros of the form xDLL are used when linking the object with
# the DLL version of the C Run-Time (that is, libcrtdll.a). They are
# not used when the target object is itself a DLL.
#
# -------------------------------------------------------------------------
ifneq ($(NO_ANSI),)
noansi = -DNULL=0
endif
# for Windows applications that use the C Run-Time libraries
cvars = $(noansi)
cvarsmt = $(cvars)
cvarsdll = $(cvars) -D_DLL
# for compatibility with older-style makefiles
cvarsmtdll = $(cvarsmt) -D_DLL
# for POSIX applications
psxvars = -D_POSIX_ #NT posix subsystem
# resource compiler
rcflags = /dRC_INVOKED# for rc lrc
rcvars = /dWIN32 /d_WIN32 /dWINVER=0x0400 #for rc lrc
ifeq ($(TARGETLANG),LANG_JAPANESE)
rcflags += /c932
rcvars += -DJAPAN -DDBCS -DFE_IME
endif
ifeq ($(TARGETLANG),LANG_CHINESE)
rcvars += -DDBCS -DFE_IME
endif
ifeq ($(TARGETLANG),LANG_KOREAN)
rcvars += -DDBCS -DFE_IME
endif
# -------------------------------------------------------------------------
# Platform Dependent Link Flags - must be specified after $(link)
#
# Note: $(DLLENTRY) should be appended to each -e flag on the link
# line.
#
# Note: When creating a DLL that uses C Run-Time functions it is
# recommended to include the entry point function of the name DllMain
# in the DLL's source code. Also, the MAKEFILE should include the
# -e _DllMainCRTStartup$(DLLENTRY) option for the creation of
# this DLL. (The C Run-Time entry point _DllMainCRTStartup in turn
# calls the DLL defined DllMain entry point.)
#
# -------------------------------------------------------------------------
# declarations common to all linker options
lflags =
# declarations for use on Intel i386, i486, and Pentium systems
ifeq ($(CPU),i386)
DLLENTRY = @12
endif
# declarations for use on self hosted MIPS R4x000 systems
ifeq ($(CPU),MIPS)
DLLENTRY =
endif
# declarations for use on self hosted PowerPC systems
ifeq ($(CPU),PPC)
DLLENTRY =
endif
# declarations for use on self hosted Digital Alpha AXP systems
ifeq ($(CPU),ALPHA)
DLLENTRY =
endif
# -------------------------------------------------------------------------
# Target Module Dependent Link Debug Flags - must be specified after $(link)
#
# These switches allow the inclusion of the necessary symbolic information
# for source level debugging with WinDebug, profiling and/or performance
# tuning.
#
# Note: Debug switches are on by default.
# -------------------------------------------------------------------------
ifneq ($(NODEBUG),)
ldebug =
else
ifneq ($(PROFILE),)
ldebug =
else
ifneq ($(TUNE),)
ldebug =
else
ldebug =
endif
endif
endif
# for compatibility with older-style makefiles
linkdebug = $(ldebug)
# -------------------------------------------------------------------------
# Subsystem Dependent Link Flags - must be specified after $(link)
#
# These switches allow for source level debugging with WinDebug for local
# and global variables. They also provide the standard application type and
# entry point declarations.
#
# Note that on x86 screensavers have a WinMain entrypoint, but on RISC
# platforms it is main. This is a Win95 compatibility issue.
#
# -------------------------------------------------------------------------
# for Windows applications that use the C Run-Time libraries
conlflags = $(lflags) -console
ifeq ($(NODEBUG),)
guilflags = $(lflags) -windows
else
guilflags = $(lflags) -windows
endif
dlllflags = $(lflags) -dll
ifeq ($(CPU),i386)
ifeq ($(NODEBUG),)
savlflags = $(lflags) -windows -Wl,-e,WinMainCRTStartup@16
else
savlflags = $(lflags) -windows -Wl,-e,WinMainCRTStartup@16
endif
else
savlflags = $(lflags) -windows -Wl,-e,mainCRTStartup
endif
# for POSIX applications
psxlflags = $(lflags)
# for compatibility with older-style makefiles
conflags = $(conlflags)
guiflags = $(guilflags)
psxflags = $(psxlflags)
# -------------------------------------------------------------------------
# C Run-Time Target Module Dependent Link Libraries
#
# Below is a table which describes which libraries to use depending on the
# target module type, although the table specifically refers to Graphical
# User Interface apps, the exact same dependencies apply to Console apps.
# That is, you could replace all occurrences of 'GUI' with 'CON' in the
# following:
#
# Desired CRT Libraries Desired CRT Libraries
# Library to link Library to link
# for EXE with EXE for DLL with DLL
# ----------------------------------------------------
# LIBCYGWIN GUILIBS None None *
# LIBCYGWIN GUILIBS LIBCYGWIN GUILIBS
# CRTDLL GUILIBSDLL None None *
# CRTDLL GUILIBSDLL LIBCYGWIN GUILIBS
# CRTDLL GUILIBSDLL CRTDLL GUILIBSDLL *
#
# * - Recommended Configurations.
#
# Note: Any executable which accesses a DLL linked with libcrtdll.a must
# also link with libcrtdll.a instead of libcygwin.a
#
# Note: For POSIX applications, link with libcygwin.a.
#
# -------------------------------------------------------------------------
# These CRT Libraries assume the use of gnu C/C++. If you are
# using another Compiler product, change the libc* variable to correspond
# to your import library names.
libc = -loldnames
libcmt = $(libc)
libcdll = -loldnames
# for POSIX applications
psxlibs = -loldnames
# optional profiling and tuning libraries
ifneq ($(PROFILE),)
optlibs = -lcap
else
ifneq ($(TUNE),)
optlibs = # -lwst
else
optlibs =
endif
endif
# if building for Windows NT 4 or greater, switch over to WinSock2
ifeq ($(TARGETOS),WINNT)
ifneq ($(APPVER),3.51)
winsocklibs = -lws2_32 -lmswsock
else
winsocklibs = -lwsock32
endif
else
winsocklibs = -lwsock32
endif
# basic subsystem specific libraries, less the C Run-Time
baselibs = $(optlibs) $(winsocklibs) -ladvapi32
winlibs = $(baselibs) -lwinspool
# for Windows applications that use the C Run-Time libraries
conlibs = $(libc) $(baselibs)
conlibsmt = $(libcmt) $(baselibs)
conlibsdll = $(libcdll) $(baselibs)
guilibs = $(libc) $(winlibs)
guilibsmt = $(libcmt) $(winlibs)
guilibsdll = $(guilflags) $(libcdll) $(winlibs)
# for OLE applications
olelibs = -lole32 -luuid -loleaut32 $(guilibs)
olelibsmt = -lole32 -luuid -loleaut32 $(guilibsmt)
olelibsdll = -lole32 -luuid -loleaut32 $(guilibsdll)
# for backward compatibility
ole2libs = $(olelibs)
ole2libsmt = $(olelibsmt)
ole2libsdll = $(olelibsdll)
.PHONY: all clean distclean linkclean unix
all: # make this the first target or people get confused .)
clean:
rm -f *.[oO] *.res *.gid *.err *.exp *.RES *.GID *.ERR *.EXP\
*.base *.BASE *.log *.LOG
distclean: clean
rm -f *.exe *.dll *.hlp *.[aA] *.EXE *.DLL *.HLP *.ph *.PH
linkclean:
rm -f *.exe *.dll *.hlp *.[aA] *.EXE *.DLL *.HLP *.base *.exp *.RES *.res
unix:
-dtou *.[ch] *.cpp GNUmakefile makefile *.rc *.def *.reg *.gak readme.txt *.dlg
.SUFFIXES: .rc .res .rce .exp .exe .dll .hlp .exp .base .cpp
# make the .exe/.dll a dependency of the .res and put .res in all instead
%.res: %.rc #.exe or .dll
$(rc) $(rcvars) -r -fo $@ $<
rsrc $@ $*.exe
# only .o files as dependencies, set DLIBS in Makefile reset for each.
#
%.base: %.o #$(DOBJS)
$(link) $(linkdebug) $(dlllflags) \
$^ -Wl,--base-file,$@ $(guilibsdll) $(DLIBS)
%.exp: %.base
dlltool --as=as --dllname $*.dll --output-lib lib$*.a --def $< \
--machine $(CPU) --output-exp $*.exp --base-file $*.base
%.dll: %.exp
$(link) $(linkdebug) $(dlllflags) -o$@ $^ $(DOBJS) $(guilibsdll)
%.exe: %.o
$(link) $(linkdebug) $(guiflags) -o$@ $(EOBJS) $(ELIBS) $(guilibsdll)\
$(DLIBS)
endif # _WIN32_MAK_
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